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          1
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          78.5－38.67＝39.83
          57.4＋18.75＝76.15
          83＋(41×36)＝1559
      
      
          485÷5＝97
          24＋31×5＝179
          45÷9＋70＝75
      
      
          30＋66×95＝6300
          82－(55÷5)＝71
          475÷5＝95
      
      
          49×53＝2597
          65＋(22×74)＝1693
          336÷7＝48
      
      
          56.02－54.26＝1.76
          24－8＝16
          74.19－58.22＝15.97
      
      
          99＋(3÷3)＝100
          45＋23＝68
          57×54＝3078
      
      
          63－59＝4
          24×39＝936
          25＋9×15＝160
      
      
          56.42－43.2＝13.22
          22.21＋46.97＝69.18
          (52＋50)×41＝4182
      
      
          $\frac{74}{88}$－$\frac{7}{88}$＝$\frac{67}{88}$
          $\frac{3}{5}$－$\frac{1}{5}$＝$\frac{2}{5}$
          $\frac{82}{96}$－$\frac{13}{96}$＝$\frac{69}{96}$
      
      
          $\frac{38}{50}$－$\frac{11}{50}$＝$\frac{27}{50}$
          $\frac{5}{33}$＋$\frac{20}{33}$＝$\frac{25}{33}$
          $\frac{23}{25}$－$\frac{1}{25}$＝$\frac{22}{25}$
      
  
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    <h1 class="title">25070210103908</h1>

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        <time datetime="2025-07-02 10:10:40 &#43;0800 CST">2025年07月02日</time>
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          ·
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          33字
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          1分钟
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          <th>1</th>
          <th>2</th>
          <th>3</th>
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  </thead>
  <tbody>
      <tr>
          <td>78.5－38.67＝<font color=red size=4>39.83</font></td>
          <td>57.4＋18.75＝<font color=red size=4>76.15</font></td>
          <td>83＋(41×36)＝<font color=red size=4>1559</font></td>
      </tr>
      <tr>
          <td>485÷5＝<font color=red size=4>97</font></td>
          <td>24＋31×5＝<font color=red size=4>179</font></td>
          <td>45÷9＋70＝<font color=red size=4>75</font></td>
      </tr>
      <tr>
          <td>30＋66×95＝<font color=red size=4>6300</font></td>
          <td>82－(55÷5)＝<font color=red size=4>71</font></td>
          <td>475÷5＝<font color=red size=4>95</font></td>
      </tr>
      <tr>
          <td>49×53＝<font color=red size=4>2597</font></td>
          <td>65＋(22×74)＝<font color=red size=4>1693</font></td>
          <td>336÷7＝<font color=red size=4>48</font></td>
      </tr>
      <tr>
          <td>56.02－54.26＝<font color=red size=4>1.76</font></td>
          <td><font color=red size=4>24</font>－8＝16</td>
          <td>74.19－58.22＝<font color=red size=4>15.97</font></td>
      </tr>
      <tr>
          <td>99＋(3÷3)＝<font color=red size=4>100</font></td>
          <td><font color=red size=4>45</font>＋23＝68</td>
          <td>57×54＝<font color=red size=4>3078</font></td>
      </tr>
      <tr>
          <td>63－59＝<font color=red size=4>4</font></td>
          <td>24×39＝<font color=red size=4>936</font></td>
          <td>25＋9×15＝<font color=red size=4>160</font></td>
      </tr>
      <tr>
          <td>56.42－43.2＝<font color=red size=4>13.22</font></td>
          <td>22.21＋46.97＝<font color=red size=4>69.18</font></td>
          <td>(52＋50)×41＝<font color=red size=4>4182</font></td>
      </tr>
      <tr>
          <td>$\frac{74}{88}$－$\frac{7}{88}$＝<font color=red size=4>$\frac{67}{88}$</font></td>
          <td>$\frac{3}{5}$－$\frac{1}{5}$＝<font color=red size=4>$\frac{2}{5}$</font></td>
          <td>$\frac{82}{96}$－$\frac{13}{96}$＝<font color=red size=4>$\frac{69}{96}$</font></td>
      </tr>
      <tr>
          <td>$\frac{38}{50}$－$\frac{11}{50}$＝<font color=red size=4>$\frac{27}{50}$</font></td>
          <td>$\frac{5}{33}$＋$\frac{20}{33}$＝<font color=red size=4>$\frac{25}{33}$</font></td>
          <td>$\frac{23}{25}$－$\frac{1}{25}$＝<font color=red size=4>$\frac{22}{25}$</font></td>
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